PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24069449-9 2013 We conclude that the absence of 5-HT2B receptors leads to the overproduction of prostacyclin, inducing reduced osteoblast differentiation due to PPAR-ss/delta -dependent target regulation and defective cell-cell adhesion and matrix mineralization. Epoprostenol 80-92 peroxisome proliferator activator receptor delta Mus musculus 145-158